85437840036 has 48 divisors (see below), whose sum is σ = 206230642688. Its totient is φ = 27501012000.

The previous prime is 85437840023. The next prime is 85437840101. The reversal of 85437840036 is 63004873458.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75790 + ... + 420261.

Almost surely, 2^85437840036 is an apocalyptic number.

It is an amenable number.

85437840036 is an abundant number, since it is smaller than the sum of its proper divisors (120792802652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85437840036 is a wasteful number, since it uses less digits than its factorization.

85437840036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496552 (or 496550 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 85437840036 in words is "eighty-five billion, four hundred thirty-seven million, eight hundred forty thousand, thirty-six".